WEG UMBW-4C2-8 MINI CIRCUIT BREAKER UMBW-4C2-8 ADAPTORSIntroducing the new WEG UMBW Series thermal magnetic miniature circuit breakers. This new offering includes both UL489 and UL1077 approvals to provide a solution for circuit and equipment protection in industrial electrical equipment. UL approval UL489 Trip curve C Number of poles 2 poles Rated current 8 A Maximum voltage 277 480 VAC 125 VDC Type Thermal magnetic Attributes UL approval UL489 Trip curve C Number of poles 2 poles Rated current 8 A
5x(Code F) No load current 5
lb Locked rotor torque 270 % Breakdown torque 300 % Locked rotor time 21s (cold) 12s (hot) Moment of inertia (J) 10
Standard NEMA MG-1 Frequency 60//50 Hz Voltage 230/460//380 V Number of poles 2 Degree of Protection IP55 Synchronous speed 3600 rpm Output rating 10 HP Mounting F-3 Flange Without Terminal box¹ Top Enclosure IC411 - TEFC
Standard NEMA MG-1 Frequency 60 Hz Voltage 200/400 V Number of poles 4 Degree of Protection IP55 Synchronous speed 1800 rpm Output rating 50 HP Mounting F-1 Flange Without Terminal box¹ Left position Enclosure IC411 - TEFC Electric Motors
15 STARTCAPMFD N\A SHIPPING WEIGHT 60 BREAKDOWN TORQUE 337 BREAKDOWN TORQUE UOM PERCENT OF FLT LOCKED ROTOR TORQUE 201 LOCKED ROTOR TORQUE UOM PERCENT OF FLT INSULATION CLASS F KVA CODE LETTER J LOCKED ROTOR AMPS 15 NEMA NOMINAL EFFICIENCY 87
15 STARTCAPMFD N\A SHIPPING WEIGHT 100 BREAKDOWN TORQUE 349 BREAKDOWN TORQUE UOM PERCENT OF FLT LOCKED ROTOR TORQUE 232 LOCKED ROTOR TORQUE UOM PERCENT OF FLT INSULATION CLASS F KVA CODE LETTER J LOCKED ROTOR AMPS 47 NEMA NOMINAL EFFICIENCY 89
0 A Rated torque 650 ft
Model_Number GD77 PRODUCT NAME 50 HP - TEFC - 3570 PHASETYPE 3_PHASE MOTOR ENCLOSURE TEFC HORSEPOWER 50 KILOWATTS 37
lb Locked rotor torque 180 % Breakdown torque 210 % Locked rotor time 36s (cold) 20s (hot) Moment of inertia (J) 5
127 V 50/60 Hz - 60
weight³ 409 lb Efficiency
5 MOUNTING RING/STUD MOTOR TYPE FHP OPPOSITE END BEARING SELF-ALIGN SHAFT END BEARING SELF-ALIGN AMBIENT 40 ROTATION CCW LEAD END REV SERVICE FACTOR 1 RUNCAPMFD 10 RUNCAPVOLTS 370 SHIPPING WEIGHT 19 THERMAL PROTECTION AUTOMATIC RESET BREAKDOWN TORQUE 63
